<template>
  <div>
    <!-- 面包屑导航栏区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
  <el-row :gutter="20">
     <!-- 搜索于添加区域 -->
    <el-col :span="7">
       <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList"> 
    <el-button slot="append" icon="el-icon-search" @click="getUserList" ></el-button>
  </el-input>
    </el-col>
    <el-col :span="4">
      <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
    </el-col>
  </el-row>
  <!-- 用户列表区域 -->
  <el-table :data="userList" border stripe >
    <el-table-column label="#" type="index"></el-table-column>
    <el-table-column label="姓名" prop="username"></el-table-column>
    <el-table-column label="邮箱" prop="email"></el-table-column>
    <el-table-column label="电话" prop="mobile"></el-table-column>
    <el-table-column label="角色" prop="role_name"></el-table-column>
    <el-table-column label="状态" >
      <template slot-scope="scope">
         <!-- {{scope.row}} 这行的数据 -->
         <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
         </el-switch>
      </template>
    </el-table-column>
    <el-table-column label="操作" width="180">
      <template slot-scope="scope">
         <!-- {{scope.row}} 这行的数据 -->
         <!-- 修改按钮 -->
        <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
        <!-- 删除按钮 -->
        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
        <!-- 分配角色按钮 -->
        <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable="false">
          <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
        </el-tooltip>       
      </template>
    </el-table-column>
  </el-table>
  <!-- 分页区域 -->
  <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
    </el-card>
    <!-- 添加用户框 -->
    
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
      :close-on-click-modal="false"
      >
      <!-- 内容主体区域 -->
      <el-form ref="addFormRef" :model="addForm" :rules="addFormRoules" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form >
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      :close-on-click-modal="false"
      @close="editDiaClosed"
      >
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" >
      <el-form-item label="用户名">
        <el-input v-model="editForm.username" disabled></el-input>
      </el-form-item>
       <el-form-item label="邮箱"  prop="email">
        <el-input v-model="editForm.email"></el-input>
      </el-form-item>
       <el-form-item label="手机" prop="mobile">
        <el-input v-model="editForm.mobile" ></el-input>
      </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
  </el-dialog>
  </div>
</template>
<script>
export default {
  data(){
    // 验证邮箱的规则
    var checkEmail = (rule,value,cb)=>{
      // 验证邮箱的正则
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+/
      if(regEmail.test(value)){
        // 合法的邮箱
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }
    // 验证手机号的规则
    var checkMobile = (rule,value,cb)=>{
      // 验证手机号的正则
      const regMobile = /^((13[0-9])|(17[0-1,6-8])|(15[^4,\\D])|(18[0-9]))\d{8}$/
      if(regMobile.test(value)){
        // 合法的手机号
        return cb()

      }
      cb(new Error('请输入合法的手机号'))
    }
    return{
      // 获取用户列表的参数对象
      queryInfo:{
        query:'',
        // 当前页数
        pagenum:1,
        // 当前每页显示多少条数据
        pagesize:2
      },
      userList:[],
      total:0,
      // 控制对话框显示隐藏
      addDialogVisible:false,
      // 添加用户的表单数据
      addForm:{
        username:'',
        password:'',
        email:'',
        mobile:''
      },
      // 添加用户的表单验证规则对象
      addFormRoules:{
        username:[
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password:[
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        email:[
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator:checkEmail,trigger: 'blur'}
        ],
        mobile:[
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator:checkMobile,trigger: 'blur'}
        ]
      },
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible:false,
      // 查询到的用户对象
      editForm:{},
      // 修改表单的验证对象
      editFormRules:{        
        email:[
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator:checkEmail,trigger: 'blur'}

        ],
        mobile:[
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator:checkMobile,trigger: 'blur'}
        ]
      }
    }
  },
  created(){
    this.getUserList()
  },
  methods:{
   async getUserList(){
     const {data:res} = await this.$http.get('users',{
        params:this.queryInfo
        })
        if(res.meta.status !==200) {
          return this.$message.error('获取用户列表失败')
        }
        this.userList=res.data.users
        this.total = res.data.total
        console.log(res);
    },
    // 监听pagesize改变的事件
    handleSizeChange(newSize){
      console.log(newSize)
      this.queryInfo.pagesize= newSize
      this.getUserList()
    },
    handleCurrentChange(newPage){
      console.log(newPage)
      this.queryInfo.pagenum= newPage
      this.getUserList()      
    },
    // 监听switch的状态
  async  userStateChanged(userinfo){
      console.log(userinfo)
    const {data:res} = await  this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
    if(res.meta.status !==200){
      userinfo.mg_state=!userinfo.mg_state
      return this.$message.error('更新用户状态失败！')
    }
    this.$message.success('更新用户状态成功')
    },
    // 监听添加用户对话框的关闭
    addDialogClosed(){
      this.$refs.addFormRef.resetFields();
    },
    // 点击按钮添加新用户
    addUser(){
      this.$refs.addFormRef.validate(async valid =>{
        if(!valid) return
        // 可以发起添加用户的请求
        const {data:res} = await this.$http.post('users',this.addForm)
        if(res.meta.status !==201){
          this.$message.error('添加用户失败')
        }
          this.$message.success('添加用户成功')
          // 隐藏添加用户的对话框
          this.addDialogVisible = false
          // 重新获取用户列表数据
          this.getUserList()
      })
    },
    // 展示修改用户的对话框
   async showEditDialog(id){
      // console.log(id)
    const {data:res} = await  this.$http.get('users/'+id)
     if(res.meta.status !==200){
       return this.$message.error('查询用户信息失败')
     }
     this.editForm = res.data
      this.editDialogVisible=true

    },
    // 监听修改用户对话框的关闭事件
    editDiaClosed(){
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息并提交
    editUserInfo(){
      this.$refs.editFormRef.validate(async valid=>{
        if(!valid) return
        // 发起修改用户信息的数据请求
         const {data:res} = await this.$http.put('users/' + this.editForm.id,{email:this.editForm.email,mobile:this.editForm.mobile})
         if(res.meta.status !==200){
           return this.$message.error('更新用户信息失败！')
         }
        //  关闭对话框
        this.editDialogVisible = false
        // 刷新数据列表
        this.getUserList()
        // 提示修改成功
        this.$message.success('更新用户成功！')
      })
    },
    // 根据id删除对应的信息
    async removeUserById(id){
      // 弹框询问用户是否删除该对象
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        // 如果用户确认删除，则返回值字符串confirm
        // 如果用户取消删除，则返回值为cancel
        console.log(confirmResult)
        if(confirmResult !=='confirm'){
          return this.$message.info('已取消删除')
        }
      const {data:res} = await this.$http.delete('users/'+ id)
      if(res.meta.status !==200){
        return this.$message.error('删除用户失败')
      }
      this.$message.success('删除用户成功')
      this.getUserList()
    }
  }
};
</script>
<style lang="less" scoped>
</style>